Raybestos 980691R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 980691R

The Raybestos R-Line Disc Brake Rotor 980691R is engineered for precise fitment on BMW 135i and 135is models. Designed as a vented, drum-in-hat type rotor, it offers reliable braking performance with specifications tailored to these vehicles.

• Compatible with BMW 135i and 135is
• Part number 980691R for exact replacement
• Vented disc brake rotor with drum-in-hat design
• 5 mounting bolt holes and 5 stud/lug holes for secure installation
• Nominal thickness of 0.866 inches (22.000 mm) and discard thickness of 0.803 inches (20.400 mm)
• Overall height of 3.031 inches (77.000 mm)
• Inside diameter of 8.366 inches (212.500 mm) and outside diameter of 12.756 inches (324.000 mm)
• Smooth surface type for consistent braking

Detailed Product Specifications

This Raybestos R-Line rotor features a vented design that helps dissipate heat during braking, reducing the risk of brake fade. The drum-in-hat configuration integrates a parking brake drum within the rotor, making it suitable for vehicles like the BMW 135i and 135is that require this setup. The rotor’s nominal thickness is 0.866 inches (22.000 mm), with a discard thickness of 0.803 inches (20.400 mm), ensuring it meets safety standards for wear limits. The rotor measures 12.756 inches (324.000 mm) in outside diameter and 8.366 inches (212.500 mm) inside diameter, with an overall height of 3.031 inches (77.000 mm). It includes 5 mounting bolt holes and 5 stud/lug holes, each with a diameter of 0.580 inches (14.750 mm), and a mounting bolt hole circle diameter of 4.724 inches (120.000 mm). The smooth surface finish supports consistent pad contact and braking performance.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OE-quality brake components designed for specific vehicle applications. This line emphasizes precise fitment and durability, making it suitable for drivers who require dependable braking performance without modifications. The 980691R rotor exemplifies the R-Line’s commitment to matching factory specifications for BMW models such as the 135i and 135is.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 135i and 135is
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper braking performance and pedal feel
• Solves issues related to overheating and brake fade with vented design
• Compatible with vehicles requiring drum-in-hat rotor configuration

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surfaces to prevent rotor runout
• Torque mounting bolts to manufacturer specifications
• Inspect brake pads and hardware during rotor replacement
• Check for proper fitment on BMW 135i and 135is before installation

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards, ensuring consistent performance and durability. While specific warranty details for part number 980691R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship. This rotor is designed to provide reliable braking for BMW 135i and 135is vehicles when installed and maintained according to guidelines.